<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="css/build.css">
</head>
<body>
<div id="div1" class="index1">1111</div>
<div id="div2" class="index2">2222</div>
<script src="js/build.min.js"></script>

</body>
</html>